. good evening, everyone. i'm carolyn johnson. >> and i'm dan ashley. did that warning come in time for the bar pilot and the crew to do anything? that will be a key question as the investigation begins in ernest. tonight a representative from the national transportation safety board is in the bay area. abc7 news reporter cornell bernard is live with what we are learning about the moments before the accident. cornell? >> yes, before yesterday's accident there was a warning. ing way tanker was too close to the bay bridge. tonight as you can see that oil tanker remains anchored off treasure island. tomorrow the ntsb gets to work to find out what happened. the coast guard has listened to recordings of radio traffic and confirms the tanker overseas rain bar was warned it was on a collision course with the tower of the bay bridge. it came from the vessel traffic service. the new information is sure to be a factor when the ntsb begins its investigation. >> what we will be doing is gathering investigation. throughout the investigation we will be looking at the van, the machine and the envi